HP Fibre Channel Fabric Migration Guide

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Fabric Migration Guide
Fabric Device Addressing Changes
All targets and disk devices retain their original iotree addresses
except for the new fabric N_Port address which is substituted for the
old Arbitrated Loop address.
New device files will be generated for the new iotree nodes. The old
device files will continue to exist until they are removed with the
rmsf command or a system reboot.